// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
/*
 *  ErrorCorrectionLevel.cpp
 *  zxing
 *
 *  Created by Christian Brunschen on 15/05/2008.
 *  Copyright 2008-2011 ZXing authors All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <zxing/qrcode/ErrorCorrectionLevel.h>

using std::string;

namespace zxing {
    namespace qrcode {

        ErrorCorrectionLevel::ErrorCorrectionLevel(int inOrdinal,
                                                   int bits,
                                                   char const *name) :
                ordinal_(inOrdinal), bits_(bits), name_(name) { }

        int ErrorCorrectionLevel::ordinal() const {
            return ordinal_;
        }

        int ErrorCorrectionLevel::bits() const {
            return bits_;
        }

        string const &ErrorCorrectionLevel::name() const {
            return name_;
        }

        ErrorCorrectionLevel::operator string const &() const {
            return name_;
        }

        ErrorCorrectionLevel &ErrorCorrectionLevel::forBits(int bits) {
            if (bits < 0 || bits >= N_LEVELS) {
                throw ReaderException("Ellegal error correction level bits");
            }
            return *FOR_BITS[bits];
        }

        ErrorCorrectionLevel ErrorCorrectionLevel::L(0, 0x01, "L");
        ErrorCorrectionLevel ErrorCorrectionLevel::M(1, 0x00, "M");
        ErrorCorrectionLevel ErrorCorrectionLevel::Q(2, 0x03, "Q");
        ErrorCorrectionLevel ErrorCorrectionLevel::H(3, 0x02, "H");
        ErrorCorrectionLevel *ErrorCorrectionLevel::FOR_BITS[] = {&M, &L, &H, &Q};
        int ErrorCorrectionLevel::N_LEVELS = 4;

    }
}
